105 行
3.4 KiB
Ruby
105 行
3.4 KiB
Ruby
class PostCreatePreflight
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class ValidationFailed < StandardError
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attr_reader :fields, :base_errors
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def initialize fields: { }, base_errors: []
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super('入力内容を確認してください．')
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@fields = fields
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@base_errors = base_errors
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end
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end
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def initialize attributes:, thumbnail: nil
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@attributes = attributes.symbolize_keys
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@thumbnail = thumbnail
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end
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def run
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preview = PostImportPreviewer.new.preview_rows(
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rows: [preview_row],
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fetch_metadata: false).first
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validate_thumbnail_upload!
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if preview[:validation_errors].present?
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raise ValidationFailed.new(fields: preview[:validation_errors])
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end
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{
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url: preview[:url],
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title: preview[:attributes]['title'],
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thumbnail_base: preview[:attributes]['thumbnail_base'],
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tags: preview[:attributes]['tags'],
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parent_post_ids: preview[:attributes]['parent_post_ids'],
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original_created_from: preview[:attributes]['original_created_from'],
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original_created_before: preview[:attributes]['original_created_before'],
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duration: preview[:attributes]['duration'],
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video_ms: preview[:attributes]['video_ms'],
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field_warnings: preview[:field_warnings],
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base_warnings: preview[:base_warnings],
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existing_post: existing_post_compact(preview[:existing_post_id]) }
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end
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private
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def preview_row
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{
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source_row: 1,
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url: @attributes[:url].to_s,
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attributes: {
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'title' => @attributes[:title].to_s,
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'thumbnail_base' => @attributes[:thumbnail_base].to_s,
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'original_created_from' => @attributes[:original_created_from].to_s,
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'original_created_before' => @attributes[:original_created_before].to_s,
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'duration' => @attributes[:duration].to_s,
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'video_ms' => @attributes[:video_ms],
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'tags' => @attributes[:tags].to_s,
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'parent_post_ids' => parent_post_ids_text },
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provenance: {
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'url' => 'manual',
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'title' => 'manual',
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'thumbnail_base' => 'manual',
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'original_created_from' => 'manual',
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'original_created_before' => 'manual',
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'duration' => 'manual',
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'video_ms' => 'manual',
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'tags' => 'manual',
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'parent_post_ids' => 'manual' },
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tag_sources: {
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'automatic' => '',
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'manual' => @attributes[:tags].to_s } }
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end
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def parent_post_ids_text
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Array(@attributes[:parent_post_ids]).flat_map { _1.to_s.split }.join(' ')
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end
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def validate_thumbnail_upload!
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return if @attributes[:thumbnail_base].present?
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return if @thumbnail.blank?
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attachment = Post.resized_thumbnail_attachment(@thumbnail)
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attachment[:io].close if attachment[:io].respond_to?(:close)
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rescue MiniMagick::Error
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raise ValidationFailed.new(fields: { thumbnail: ['サムネイル画像の変換に失敗しました．'] })
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end
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def existing_post_compact post_id
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return nil if post_id.blank?
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post = Post.with_attached_thumbnail.find_by(id: post_id)
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return nil if post.nil?
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{
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id: post.id,
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title: post.title,
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url: post.url,
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thumbnail_url:
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if post.thumbnail.attached?
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Rails.application.routes.url_helpers.rails_storage_proxy_url(
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post.thumbnail,
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only_path: false)
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end }
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end
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end
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